Pitch Shift Playing a 78 RPM Record at 80 RPM
Playing a 78 RPM record at 80 RPM raises the pitch by approximately 44 cents.
How to use this tool
- Enter nominal rpm and actual rpm in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your pitch shift and the full breakdown beneath it.
Vintage 78 RPM records played at 80 RPM come out sharp by about 44 cents — nearly half a semitone.
Frequently asked questions
- Why does turntable speed affect pitch?
- A record encodes audio at a fixed groove density. If it spins faster than intended, frequencies are higher (pitch goes up); slower means pitch drops.